For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

Vehicle Care
California Proposition 65 WarningDistracted Driving
Distraction comes in many forms and can take your focus from the task of driving.
Exercise good judgment and do not let other activities divert your attention away
from the road. Many local governments have enacted laws regarding driver distraction.
Become familiar with the local laws in your ...
Thread Repair
General purpose thread repair kits are available commercially.
Warning: Refer to Safety Glasses Warning in the Preface section.
Note: Refer to the thread repair kit manufacturer's instructions
regarding the size of the drill and which tap to use.
Always avoid any buildup of chips. Back ou ...
Tail Lamp Replacement
Preliminary Procedures
Open and support the rear compartment
lid.
Remove the body side trim panel replacement in order to expose the tail
lamp pocket nuts. Refer to Body Side Trim Panel
Replacement - Left Side.
Tail Lamp Bolt (Qty: 2)
Caution: Refer to Fastener Caut ...